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        data-chapter-title="第九节：Page对象"
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                        Introduction
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                            <b>1.</b>
                        
                        第一章：小程序前奏
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                            <b>1.1.</b>
                        
                        第一节：认识小程序
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                            <b>1.2.</b>
                        
                        第二节：准备工作
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                            <b>1.3.</b>
                        
                        第三节：开发工具介绍
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                            <b>1.4.</b>
                        
                        第六节：WXSS语法
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                            <b>2.</b>
                        
                        第二章：小程序基础
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                            <b>2.1.</b>
                        
                        第一节：项目结构
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                            <b>2.2.</b>
                        
                        第二节：配置
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                            <b>2.3.</b>
                        
                        第三节：WXML语法
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                            <b>2.4.</b>
                        
                        第五节：事件
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                            <b>2.5.</b>
                        
                        第六节：WXSS语法
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                            <b>2.6.</b>
                        
                        第七节：flex布局
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                            <b>2.7.</b>
                        
                        第八节：APP对象
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                            <b>2.8.</b>
                        
                        第九节：Page对象
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                            <b>2.9.</b>
                        
                        第十节：WXS语法
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                            <b>3.</b>
                        
                        第三章：常用组件
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                            <b>3.1.</b>
                        
                        第一节：scroll-view组件
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                            <b>3.2.</b>
                        
                        第二节：swiper组件
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                            <b>3.3.</b>
                        
                        第三节：movable-view组件
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                            <b>3.4.</b>
                        
                        第四节：icon组件
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                            <b>3.5.</b>
                        
                        第五节：text组件
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                            <b>3.6.</b>
                        
                        第六节：input组件
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                            <b>3.7.</b>
                        
                        自定义组件
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            <span><b>4.</b> 第四章：小程序API</span>
            
            
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                            <b>4.1.</b>
                        
                        第一节：网络请求API
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        <li class="chapter " data-level="5" data-path="di-liu-zhang-ff1a-es6-yu-fa.html">
            
                
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                            <b>5.</b>
                        
                        第五章：ES6语法
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        <li class="chapter " data-level="5.1" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-yi-jie-ff1a-shi-yao-shi-es6-yu-fa.html">
            
                
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                            <b>5.1.</b>
                        
                        第一节：什么是ES6语法
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        <li class="chapter " data-level="5.2" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-er-jie-ff1a-es6-yu-fa.html">
            
                
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                            <b>5.2.</b>
                        
                        第二节：定义变量
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                            <b>5.3.</b>
                        
                        第三节：函数
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        <li class="chapter " data-level="5.4" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-si-jie-ff1a-lei.html">
            
                
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                            <b>5.4.</b>
                        
                        第四节：类
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                            <b>5.5.</b>
                        
                        第五节：模块
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                            <b>6.</b>
                        
                        第六章：云开发
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                            <b>6.1.</b>
                        
                        第一节：什么是云开发
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        <li class="chapter " data-level="6.2" data-path="di-er-jie-ff1a-zhu-ce-wei-xin-xiao-cheng-xu.html">
            
                
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                            <b>6.2.</b>
                        
                        第二节：注册微信小程序
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        <li class="chapter " data-level="6.3" data-path="di-san-jie-ff1a-kai-tong-yun-kai-fa.html">
            
                
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                            <b>6.3.</b>
                        
                        第三节：开通云开发
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        <li class="chapter " data-level="6.4" data-path="di-si-jie-ff1a-shu-ju-ku.html">
            
                
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                            <b>6.4.</b>
                        
                        第四节：数据库准备
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        <li class="chapter " data-level="6.5" data-path="di-wu-jie-ff1a-shu-ju-ku-cao-zuo.html">
            
                
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                            <b>6.5.</b>
                        
                        第五节：数据库操作
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        <li class="chapter " data-level="6.6" data-path="di-liu-jie-ff1a-command-zhi-ling.html">
            
                
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                            <b>6.6.</b>
                        
                        第六节：command指令
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        <li class="chapter " data-level="6.7" data-path="di-qi-jie-ff1a-gao-ji-cha-xun.html">
            
                
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                            <b>6.7.</b>
                        
                        第七节：高级查询
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        <li class="chapter " data-level="6.8" data-path="di-ba-jie-ff1a-wen-jian-shang-chuan.html">
            
                
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                            <b>6.8.</b>
                        
                        第八节：文件操作
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        <li class="chapter " data-level="6.9" data-path="di-jiu-jie-ff1a-node-huan-jing-da-jian.html">
            
                
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                            <b>6.9.</b>
                        
                        第九节：node环境搭建
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        <li class="chapter " data-level="6.10" data-path="di-shi-jie-ff1a-yun-han-shu.html">
            
                
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                            <b>6.10.</b>
                        
                        第十节：云函数
                    </a>
            
            
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        <li class="chapter " data-level="6.11" data-path="di-shi-yi-jie-ff1a-yun-han-shu-jian-ce-nei-rong-an-quan.html">
            
                
                    <a href="../di-shi-yi-jie-ff1a-yun-han-shu-jian-ce-nei-rong-an-quan.html">
                
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                            <b>6.11.</b>
                        
                        第十一节：检测内容安全
                    </a>
            
            
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        <li class="chapter " data-level="6.12" data-path="di-shi-er-jie-ff1a-yun-han-shu-tu-pian-jian-huang.html">
            
                
                    <a href="../di-shi-er-jie-ff1a-yun-han-shu-tu-pian-jian-huang.html">
                
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                            <b>6.12.</b>
                        
                        第十二节：图片鉴黄
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                            <b>6.13.</b>
                        
                        第十三节：用户授权
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                            <b>6.14.</b>
                        
                        第十四节：其他授权方式
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                        <h1 id="page&#x5BF9;&#x8C61;">Page&#x5BF9;&#x8C61;</h1>
<p>&#x8BE6;&#x60C5;&#x8BF7;&#x53C2;&#x8003;&#xFF1A;<a href="https://developers.weixin.qq.com/miniprogram/dev/framework/app-service/page.html" target="_blank">https://developers.weixin.qq.com/miniprogram/dev/framework/app-service/page.html</a></p>
<h2 id="page&#x5BF9;&#x8C61;&#x4F5C;&#x7528;&#xFF1A;">Page&#x5BF9;&#x8C61;&#x4F5C;&#x7528;&#xFF1A;</h2>
<p><code>Page(Object)</code>&#x51FD;&#x6570;&#x7528;&#x6765;&#x6CE8;&#x518C;&#x4E00;&#x4E2A;&#x9875;&#x9762;&#x3002;&#x63A5;&#x53D7;&#x4E00;&#x4E2A; Object &#x7C7B;&#x578B;&#x53C2;&#x6570;&#xFF0C;&#x5176;&#x6307;&#x5B9A;&#x9875;&#x9762;&#x7684;&#x521D;&#x59CB;&#x6570;&#x636E;&#x3001;&#x751F;&#x547D;&#x5468;&#x671F;&#x56DE;&#x8C03;&#x3001;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x51FD;&#x6570;&#x7B49;&#x3002;</p>
<h2 id="&#x6570;&#x636E;&#x6E32;&#x67D3;&#xFF1A;">&#x6570;&#x636E;&#x6E32;&#x67D3;&#xFF1A;</h2>
<p>&#x9700;&#x8981;&#x653E;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x8FDB;&#x884C;&#x6E32;&#x67D3;&#x7684;&#x6570;&#x636E;&#xFF0C;&#x9700;&#x8981;&#x653E;&#x5728;<code>Page</code>&#x5BF9;&#x8C61;&#x7684;<code>data</code>&#x5C5E;&#x6027;&#x4E2D;&#x3002;&#x793A;&#x4F8B;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-javascript">Page({
  data: {
    person: {
      username: <span class="hljs-string">&quot;&#x77E5;&#x4E86;&#x8BFE;&#x5802;&quot;</span>,
      age: <span class="hljs-number">18</span>
    }
  }
})
</code></pre>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-title">view</span>&gt;</span>

<span class="hljs-tag">&lt;/<span class="hljs-title">view</span>&gt;</span>
</code></pre>
<p>&#x5982;&#x679C;&#x4EE5;&#x540E;&#x60F3;&#x8981;&#x4FEE;&#x6539;<code>data</code>&#x4E2D;&#x7684;&#x503C;&#xFF0C;&#x5E94;&#x8BE5;&#x4F7F;&#x7528;<code>setData</code>&#x65B9;&#x6CD5;&#x3002;<code>setData</code>&#x51FD;&#x6570;&#x7528;&#x4E8E;&#x5C06;&#x6570;&#x636E;&#x4ECE;&#x903B;&#x8F91;&#x5C42;&#x53D1;&#x9001;&#x5230;&#x89C6;&#x56FE;&#x5C42;&#xFF08;&#x5F02;&#x6B65;&#xFF09;&#xFF0C;&#x540C;&#x65F6;&#x6539;&#x53D8;&#x5BF9;&#x5E94;&#x7684; this.data &#x7684;&#x503C;&#xFF08;&#x540C;&#x6B65;&#xFF09;&#x3002;&#x6CE8;&#x610F;&#x4E8B;&#x9879;&#xFF1A;  </p>
<ol>
<li><strong>&#x76F4;&#x63A5;&#x4FEE;&#x6539; this.data &#x800C;&#x4E0D;&#x8C03;&#x7528; this.setData &#x662F;&#x65E0;&#x6CD5;&#x6539;&#x53D8;&#x9875;&#x9762;&#x7684;&#x72B6;&#x6001;&#x7684;&#xFF0C;&#x8FD8;&#x4F1A;&#x9020;&#x6210;&#x6570;&#x636E;&#x4E0D;&#x4E00;&#x81F4;&#x3002;</strong>  </li>
<li>&#x653E;&#x5230;<code>data</code>&#x4E2D;&#x7684;&#x503C;&#xFF0C;&#x53EA;&#x80FD;&#x4F7F;&#x7528;&#x53EF;&#x4EE5;<code>JSON</code>&#x5E8F;&#x5217;&#x5316;&#x7684;&#xFF1A;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x6570;&#x5B57;&#xFF0C;&#x5E03;&#x5C14;&#x503C;&#xFF0C;&#x5BF9;&#x8C61;&#xFF0C;&#x6570;&#x7EC4;&#x3002;&#x5426;&#x5219;&#x5C06;&#x4E0D;&#x4F1A;&#x6E32;&#x67D3;&#x3002;  </li>
<li>&#x5176;&#x4E2D;<code>key</code>&#x53EF;&#x4EE5;&#x4EE5;&#x6570;&#x636E;&#x8DEF;&#x5F84;&#x7684;&#x5F62;&#x5F0F;&#x7ED9;&#x51FA;&#xFF0C;&#x652F;&#x6301;&#x6539;&#x53D8;&#x6570;&#x7EC4;&#x4E2D;&#x7684;&#x67D0;&#x4E00;&#x9879;&#x6216;&#x5BF9;&#x8C61;&#x7684;&#x67D0;&#x4E2A;&#x5C5E;&#x6027;&#xFF0C;&#x5982; <code>array[2].message</code>&#xFF0C;<code>a.b.c.d</code>&#xFF0C;&#x5E76;&#x4E14;&#x4E0D;&#x9700;&#x8981;&#x5728; <code>this.data</code>&#x4E2D;&#x9884;&#x5148;&#x5B9A;&#x4E49;&#x3002;</li>
</ol>
<h2 id="page&#x751F;&#x547D;&#x5468;&#x671F;&#x51FD;&#x6570;&#xFF1A;">Page&#x751F;&#x547D;&#x5468;&#x671F;&#x51FD;&#x6570;&#xFF1A;</h2>
<h3 id="onloadobject-query&#xFF1A;">onLoad(Object query)&#xFF1A;</h3>
<p>&#x9875;&#x9762;&#x52A0;&#x8F7D;&#x65F6;&#x89E6;&#x53D1;&#x3002;&#x4E00;&#x4E2A;&#x9875;&#x9762;&#x53EA;&#x4F1A;&#x8C03;&#x7528;&#x4E00;&#x6B21;&#xFF0C;&#x53EF;&#x4EE5;&#x5728; <code>onLoad</code>&#x7684;&#x53C2;&#x6570;&#x4E2D;&#x83B7;&#x53D6;&#x6253;&#x5F00;&#x5F53;&#x524D;&#x9875;&#x9762;&#x8DEF;&#x5F84;&#x4E2D;&#x7684;&#x53C2;&#x6570;&#x3002;&#x4E00;&#x822C;&#x5EFA;&#x8BAE;&#x5728;&#x8FD9;&#x4E2A;&#x51FD;&#x6570;&#x4E2D;&#x505A;&#x4E00;&#x4E9B;&#x9875;&#x9762;&#x7684;&#x6570;&#x636E;&#x521D;&#x59CB;&#x5316;&#x5DE5;&#x4F5C;&#x3002;</p>
<h3 id="onshow&#xFF1A;">onShow()&#xFF1A;</h3>
<p>&#x9875;&#x9762;&#x663E;&#x793A;/&#x5207;&#x5165;&#x524D;&#x53F0;&#x65F6;&#x89E6;&#x53D1;&#x3002;&#x6BD4;&#x5982;&#x65B0;&#x63A8;&#x5165;&#x4E86;&#x4E00;&#x4E2A;&#x65B0;&#x7684;&#x9875;&#x9762;&#xFF0C;&#x90A3;&#x4E48;&#x539F;&#x6765;&#x7684;&#x9875;&#x9762;&#x5C31;&#x5904;&#x4E8E;&#x540E;&#x53F0;&#xFF0C;&#x8FD9;&#x65F6;&#x5019;&#x5982;&#x679C;&#x628A;&#x65B0;&#x9875;&#x9762;&#x53C8;&#x79FB;&#x9664;&#x6389;&#xFF0C;&#x90A3;&#x4E48;&#x4E0B;&#x9762;&#x7684;&#x9875;&#x9762;&#x5C31;&#x4F1A;&#x8C03;&#x7528;<code>onShow</code>&#x65B9;&#x6CD5;&#x3002;</p>
<h3 id="onready&#xFF1A;">onReady()&#xFF1A;</h3>
<p>&#x9875;&#x9762;&#x521D;&#x6B21;&#x6E32;&#x67D3;&#x5B8C;&#x6210;&#x65F6;&#x89E6;&#x53D1;&#x3002;&#x4E00;&#x4E2A;&#x9875;&#x9762;&#x53EA;&#x4F1A;&#x8C03;&#x7528;&#x4E00;&#x6B21;&#xFF0C;&#x4EE3;&#x8868;&#x9875;&#x9762;&#x5DF2;&#x7ECF;&#x51C6;&#x5907;&#x59A5;&#x5F53;&#xFF0C;&#x53EF;&#x4EE5;&#x548C;&#x89C6;&#x56FE;&#x5C42;&#x8FDB;&#x884C;&#x4EA4;&#x4E92;&#x4E86;&#x3002;&#x5BF9;&#x754C;&#x9762;&#x5185;&#x5BB9;&#x8FDB;&#x884C;&#x8BBE;&#x7F6E;&#x7684; API &#x5982;<code>wx.setNavigationBarTitleText</code>&#xFF0C;&#x6BD4;&#x8F83;&#x5408;&#x9002;&#x5728;&#x8FD9;&#x4E2A;&#x91CC;&#x9762;&#x6267;&#x884C;&#x3002;</p>
<h3 id="onhide">onHide()</h3>
<p>&#x9875;&#x9762;&#x9690;&#x85CF;/&#x5207;&#x5165;&#x540E;&#x53F0;&#x65F6;&#x89E6;&#x53D1;&#x3002;&#x5982;<code>navigateTo</code>&#x6216;&#x5E95;&#x90E8;<code>tab</code>&#x5207;&#x6362;&#x5230;&#x5176;&#x4ED6;&#x9875;&#x9762;&#xFF0C;&#x5C0F;&#x7A0B;&#x5E8F;&#x5207;&#x5165;&#x540E;&#x53F0;&#x7B49;&#x3002;</p>
<h3 id="onunload">onUnload()</h3>
<p>&#x9875;&#x9762;&#x5378;&#x8F7D;&#x65F6;&#x89E6;&#x53D1;&#x3002;&#x5982;<code>redirectTo</code>&#x6216;<code>navigateBack</code>&#x5230;&#x5176;&#x4ED6;&#x9875;&#x9762;&#x65F6;&#x3002;</p>
<h2 id="&#x8DEF;&#x7531;&#xFF1A;">&#x8DEF;&#x7531;&#xFF1A;</h2>
<p>&#x5728;&#x5C0F;&#x7A0B;&#x5E8F;&#x4E2D;&#x6240;&#x6709;&#x9875;&#x9762;&#x7684;&#x8DEF;&#x7531;&#x5168;&#x90E8;&#x7531;&#x6846;&#x67B6;&#x8FDB;&#x884C;&#x7BA1;&#x7406;&#x3002;<code>getCurrentPages()</code>&#x53EF;&#x4EE5;&#x83B7;&#x53D6;&#x5F53;&#x524D;&#x72B6;&#x6001;&#x4E0B;&#x7684;&#x9875;&#x9762;&#x6808;&#x3002;</p>

                    
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